{"product_id":"25mm-cnc-ballscrew-kit-sfu2504-rm2504-anti-backlas-5491","title":"25mm CNC Ballscrew Kit SFU2504 RM2504 Anti Backlash Ball Screw 2500mm Long With Nut BK BF20 End Blocks Flexible Coupler Nut Housing And Motor Bracket For Nema 34 Stepper Motor","description":"\u003cdiv\u003ePremium 25mm CNC Ballscrew Kit with RM2504, 1 set\u003cbr\u003e\n✔️ Lead 4mm, 2500mm length, BK20 end blocks, NEMA34 bracket \u003cp\u003eThis 25mm diameter ballscrew kit delivers precise, low-friction linear motion for CNC routers, mills, and 3D printers. It includes nut, BK20 end supports, motor bracket for Nema 34, and a flexible coupler.\u003c\/p\u003e ✅ 25mm diameter, 4mm lead, 2500mm long (98.43 in)\u003cbr\u003e\n✅ Includes ball screw nut and BK20 end bearing supports, motor bracket for Nema 34\u003cbr\u003e\n✅ Integrated motor bracket, locknuts, circlips, and flexible coupling\u003cbr\u003e\n✅ Precision C7 grade (GCr15 steel), rolled thread, no-stick-slip operation\u003cbr\u003e \u003cp\u003e💡 What is a CNC ballscrew kit used for in machine tools and hobby builds?\u003c\/p\u003e\n\u003cp\u003eIt provides precise, backlash-minimized motion for accurate positioning and cutting.\u003c\/p\u003e\n- Durable, high-precision design ensures repeatable results\n- Easy mounting with standard NEMA 34 and BK20 hardware\n- Requires proper lubrication and clean assembly for longevity\n- Available in metric 25x4mm with options in C5 or C7 tolerance \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48230274924779,"sku":"VXB091PK8Z1P","price":1394.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51K3f3PvaKL_8c0e74d1-71ba-4839-8707-83fe97a41e64.jpg?v=1778825734","url":"https:\/\/vxb.com\/products\/25mm-cnc-ballscrew-kit-sfu2504-rm2504-anti-backlas-5491","provider":"VXB Bearings","version":"1.0","type":"link"}